8523 AVENUE J
8523 AVENUE J is a Class C3 (walk-up, pre-1929) building in Brooklyn (BBL 3080220001) built in 1899, with 4 residential units across 2 floors.
The building is in NYC community district 318, council district 46, zoning district R5B, on a 2,900-square-foot lot with a building footprint of 2,900 square feet.
The current registered owner of record per NYC PLUTO is J.A.J. PARTNERS LLC.
The most recent ACRIS deed transfer for this BBL was recorded on October 31, 2025 when Sll Npl Llc conveyed the property to J.a.j. Partners Llc for $1.35M. The transaction was financed with a $1.08M mortgage from Bpl Mortgage, Llc.
The building is registered with NYC HPD's landlord-registration system and has no open HPD housing-maintenance code violations on record as of May 18, 2026.
Data sourced daily from NYC PLUTO (Department of City Planning), NYC ACRIS (Department of Finance), and NYC HPD housing-maintenance code violations.
Owner of record
HPD registered contacts
- Head OfficerAlejandro Jhonson
- Corporate OwnerJ.A.J. Partners LLC
Most recent deed
Recent ACRIS documents (last 5)
Building stats
- Zoning:
- R5B
- Lot size:
- 2,900 sqft
- Building area:
- 2,900 sqft
- Floors:
- 2
- Assessed value:
- $135K
- Community district:
- 318
- Council district:
- 46
HPD violations
Recent HPD violation details
- Class AInspected May 1, 2026(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
- Class AInspected Jun 6, 2025(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
- Class BInspected Jun 3, 2024§ 27-2005 ADM CODE REPLACE WITH NEW THE MISSING IRON SCUTTLE LADDER AT PUBLIC HALL, 2nd STORY
- Class CInspected Jun 3, 2024§ 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MIS…
- Class AInspected Apr 8, 2024(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
Recent ACRIS activity
Frequently asked questions about 8523 AVENUE J
Who owns 8523 AVENUE J?
The current registered owner of record for 8523 AVENUE J per NYC PLUTO is J.A.J. PARTNERS LLC. The most recent ACRIS deed transfer for this BBL was recorded on October 31, 2025 when the property was conveyed to J.a.j. Partners Llc. PLUTO ownership is refreshed monthly by NYC Department of Finance; the registered owner may not reflect transactions recorded within the last 30 days.
When was 8523 AVENUE J last sold?
The most recent ACRIS deed transfer for 8523 AVENUE J was recorded on October 31, 2025, when Sll Npl Llc conveyed the property to J.a.j. Partners Llc for $1.35M. The transaction was financed with a $1.08M mortgage from Bpl Mortgage, Llc.
How many HPD violations does 8523 AVENUE J have?
No open HPD housing-maintenance code violations are on record for 8523 AVENUE J as of May 18, 2026. The building is registered with NYC HPD's landlord-registration system. HPD violation data is pulled daily from the NYC Open Data violations feed.
What is the assessed value of 8523 AVENUE J?
NYC Department of Finance assesses 8523 AVENUE J at $135K for the current tax year. NYC assesses property at a fraction of estimated market value (the assessment ratio varies by tax class — 6% for tax class 1 one-to-three-family dwellings, approximately 45% for tax class 2 rental apartment buildings), so the market value implied by this assessment is meaningfully higher. Assessment data is published by NYC Department of Finance.
What building class is 8523 AVENUE J and what does that mean?
8523 AVENUE J is NYC building class C3 — Walk-up, pre-1929. A walk-up apartment building constructed before 1929, typically 3-6 stories and often rent-stabilized. Building class is assigned by NYC Department of Finance and recorded in PLUTO; it determines the property's tax class and the regulatory regime that applies.